&&,,&&&,,&                                          &&&,&,,,,,
,&,&,,&,&&                                          ,,&&&,,,,&
&&&&,&&&,&                                          ,&,,&,,,&&
,,,&&,,&&&                                          &&,&&,,&,,
,,&,&,&,,,                                          ,&&,&,&&,,
,&&&&&&,,,                   RAILS                  &,&&&&,&,,
&,,,,,&,,,                                          &&,,,&&&,,
&,,,,&&,,,                                          ,&,,&,,&,&
&,,,&,&,,& &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& &&,&&,&&&,
&,,&&&&,&&                                          ,&&,&&,,&&
&,&,,,&&,, &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& &,&&,&,&,,
&&&,,&,&,&                                          &&,&&&&&,&
,,&,&&&&&,                                          ,&&,,,,&&,
,&&&,,,,&& TRAINS  ARE  SO  CONSTRUCTED  THAT  THEY &,&,,,&,&,
&,,&,,,&,& HAVE TO FOLLOW A  SET PATH. THIS PATH IS &&&,,&&&&,
&,&&,,&&&& CALLED  A  "RAILWAY", WHICH IS COMPRISED ,,&,&,,,&&
&&,&,&,,,, OF TWO METAL RAILS, HENCE  ITS NICKNAME. ,&&&&,,&,,
,&&&&&,,,&                                          &,,,&,&&,&
&,,,,&,,&, BECAUSE  THE  LOW  FRICTION BETWEEN  THE &,,&&&,&&&
&,,,&&,&&& WHEELS OF THE TRAIN AND  THE RAIL METAL, &,&,,&&,,,
&,,&,&&,,, THERE ARE LIMITS FOR HOW  ACUTE A  CURVE &&&,&,&,,&
&,&&&,&,,& CAN BE, AND EVEN MORE  SO FOR  HOW  MUCH ,,&&&&&,&,
&&,,&&&,&& THE  GROUND  UNDER  THE   RAILS  CAN  BE ,&,,,,&&&&
,&,&,,&&,& SLOPED. THUS A RAILWAY IS OFTEN  NOT LED &&,,,&,,,,
&&&&,&,&&& ON  TOP OF HILLS, RATHER THROUGH THEM IN ,&,,&&,,,,
,,,&&&&,,, TUNNELS   (IF   THEY  ARE   LARGE),   OR &&,&,&,,,&
,,&,,,&,,&            ARTIFICIAL CHASMS.            ,&&&&&,,&&
,&&,,&&,&,                                          &,,,,&,&,&
&,&,&,&&&, THERE WILL BE TREES ON  THE  SIDE OF THE &,,,&&&&&&
&&&&&&,,&, RAILS, BUT NOT TOO  CLOSE, OR THEY  WILL &,,&,,,,,,
,,,,,&,&&& BE  CUT DOWN BY  THE  RAILWAY  JANITORS. &,&&,,,,,&
,,,,&&&,,& THERE WILL  BE  PLAINS,  AND  BODIES  OF &&,&,,,,&&
,,,&,,&,&,                  WATER.                  ,&&&,,,&,&
,,&&,&&&&,                                          &,,&,,&&&&
,&,&&,,,&& TRAINS GO  BY DAY AND  BY  NIGHT.  ALONG &,&&,&,,,&
&&&,&,,&,,      THE WAY, THERE IS INFORMATION       &&,&&&,,&&
,,&&&,&&,& SCATTERED,  OFTEN  PUT ON  TOP OF POLES, ,&&,,&,&,,
,&,,&&,&&& TO BE  INTERPRETED BY THE TRAIN DRIVERS. &,&,&&&&,,
&&,&,&&,,& DIFFERENT  PARTS  OF  THE  RAILWAY  HAVE &&&&,,,&,,
,&&&&,&,&,          DIFFERENT SPEED LIMITS.         ,,,&,,&&,&
&,,,&&&&&,                                          ,,&&,&,&&&
&,,&,,,,&, SOMETIMES, TRAINS HAVE TO  STOP AND WAIT ,&,&&&&,,,
&,&&,,,&&, FOR SOMETHING TO HAPPEN,  FAR AWAY. THIS &&&,,,&,,&
&&,&,,&,&& IS  SIGNALED BY  RED  OR  GREEN  LIGHTS. ,,&,,&&,&,
,&&&,&&&,,                                          ,&&,&,&&&&
&,,&&,,&,,                 &&&&&&&&                 &,&&&&,,,&
&,&,&,&&,&                                          &&,,,&,,&,
&&&&&&,&&& MANY PEOPLE FOLLOW  THE  RAILS BY  FOOT. ,&,,&&,&&&
,,,,,&&,,& OFTEN  THIS  PROVES TO  BE  THE  SHORTER &&,&,&&,,,
,,,,&,&,&, PATH BETWEEN  TWO  POINTS.  HOWEVER THIS ,&&&&,&,,,
,,,&&&&&&, IS  FROWNED  UPON,  AND   VERY  IMPOLITE &,,,&&&,,,
,,&,,,,,&,         TOWARD THE TRAIN DRIVERS!        &,,&,,&,,,
,&&,,,,&&&                                          &,&&,&&,,,
&,&,,,&,,&                                          &&,&&,&,,,
&&&,,&&,&&                                          ,&&,&&&,,&
,,&,&,&&,&                                          &,&&,,&,&,
,&&&&&,&&,                                          &&,&,&&&&,
&,,,,&&,&,                                          ,&&&&,,,&,